North Wexford Brigade- 3 Eastern Division

1 Battalion: Unit strength on 11 July 1921 was 363 all ranks, and the strength on 1 July 1922 was 245 all ranks. The companies of the 1 Battalion were located as follows: Ballindaggin, Ballycarney, Marshalstown, Kiltealy, Kilmyshal, Bunclody, Enniscorthy and Blackwater.
2 Battalion: Unit strength on 11 July 1921 was 347 all ranks, and the strength on 1 July 1922 was 325 all ranks.The companies of the 2 Battalion were located as follows: Rathnure, Poulpastry, Davidstown, Oylegate & Glenbrien, Bree, Shannon, Clonroche, Caim and Ballindoney.
3 Battalion: Unit strength on 11 July 1921 was 356 all ranks, and the strength on 1 July 1922 was 283 all ranks.The companies of the 3 Battalion were located as follows: Ferns, Camolin, Ballygarrett, Kilanerin, Castletown, Riverchapel, Gorey, Clologue, Oulart, Boolavogue and Monageer.
4 Battalion: Unit strength on 11 July 1921 was 163 all ranks, and the strength on 1 July 1922 was 209 all ranks.The companies of the 4 Battalion were located as follows: Carnew, Askamore, Crossbridge, Coolboy & Coolfancy, Craanford, Monaseed, Shillelagh and Kilquiggan.

Two Active Service Units were effective with the North Wexford Brigade in 1921 with a total overall strength of 41 all ranks. Personnel were attached to the A.S.U from the battalions of the brigade.